Lennox is built on a legacy of innovative firsts, from the introduction of the riveted-steel furnace in 1895 to some of the most efficient air conditioners available today. Over the years, Lennox® has set the standard for home comfort, and we continue to push the standard forward with a lineup of more than 60 leading-edge products and a network of more than 6,000 full-service dealers, including Premier Heating & Cooling.